On Wed, Mar 16, 2022 at 01:41:13PM +0100, Martin Pecka wrote:
> 
> > The servo state is an internal variable has no relevance to outside
> > observers.
> Apparently, me and Dale Smith are not the only ones interested in PTP servo
> state. See
> https://docs.baslerweb.com/precision-time-protocol#additional-parameters
> (Basler GigE cameras).
> 
> > |PtpServoStatus|: Indicates the state of the clock servo, i.e., the
> > state of the PTP clock synchronization. If the state is |Locked|, the
> > clock of the current device is successfully synchronized with the master
> > clock. In all other cases, the state is |Unknown|.

The s3 doesn't mean "the clock of the current device is successfully 
synchronized"

It only means that it converged during the first twenty seconds.
After that, the state doesn't tell you anything.  The actual condition
could well reflect s2.

Sorry,
Richard







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